ABB PSTX370 Podręcznik aplikacji - Strona 10
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3.2
Control supply and control circuit
Wires in industrial control applications are divided into
three groups: main power supply, control supply and
control circuit.
Main power supply (1L1, 3L2, 5L3, 2T1, 4T2, 6T3)
Control supply voltage (terminals 1 and 2)
Control circuit (terminals 13 - 21).
3.2.1
Control supply voltage -
2
terminals 1 and 2
Connect neutral and phase to terminal 1 and 2.
See Figure 4.
INFORMATION
Only use 100-250 V, 50 / 60 Hz supply voltage.
5
Tightening torques and cable dimensions.
L
N
100-250V
50/60 Hz
K4
3.2.2
Functional earth - terminal 22
Softstarters type PSTX85...PSTX370 should be earthed
using the terminal 22 as shown in Figure 5 (one
connection is sufficient). Connect the cable to an earthing
point close to the softstarter. The cable should be as
short as possible. A suitable earthing point is next to the
softstarter on the mounting plate, which should also be
earthed.
INFORMATION
This is not a protective earth, it is a function
earth. The earthing cable should be as short as
possible. Maximum length 0.5m.
INFORMATION
Do not use functional earth in IT-networks,
commonly found in for instance marine
applications.
Tightening torques and cable dimensions.
L
N
100-250V
50/60 Hz
K4
Connection | Application manual: Waste water pump |
10
K5
K6
Start Stop In0 In1 In2
GND +24V
K5
K6
Start Stop In0 In1 In2 DGND GND +24V
4
Figure 4:
Supply voltage, terminal 1, 2
M3,5
3,5 x 0,6 mm
(0.138 x 0.024 in)
0,5 Nm
4,3 lb.in
5
Figure 5:
Functional earth, terminal 22
M3
3,5 x 0,6 mm
(0.138 x 0.024 in)
0,5 Nm
4,3 lb.in
1SFC132104M0201
AWG 12 ... 24
2
0,2 .. 2,5 mm
2
2x0,2 .. 1,5 mm
2
0,2 .. 2,5 mm
2
2x0,2 .. 1,5 mm
AWG 12 ... 24
2
0,2 .. 2,5 mm
2
2x0,2 .. 1,5 mm
2
0,2 .. 2,5 mm
2
2x0,2 .. 1,5 mm